ref: 3ccbd4803bcc75be860dd67bb3a56b114251433b
dir: /vpx_dsp/vpx_dsp_common.h/
/*
* Copyright (c) 2015 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPX_VPX_DSP_VPX_DSP_COMMON_H_
#define VPX_VPX_DSP_VPX_DSP_COMMON_H_
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
#include "vpx_ports/mem.h"
#ifdef __cplusplus
extern "C" {
#endif
#define VPXMIN(x, y) (((x) < (y)) ? (x) : (y))
#define VPXMAX(x, y) (((x) > (y)) ? (x) : (y))
#define VPX_SWAP(type, a, b) \
do { \
type c = (b); \
(b) = a; \
(a) = c; \
} while (0)
#if CONFIG_VP9_HIGHBITDEPTH
// Note:
// tran_low_t is the datatype used for final transform coefficients.
// tran_high_t is the datatype used for intermediate transform stages.
typedef int64_t tran_high_t;
typedef int32_t tran_low_t;
#else
// Note:
// tran_low_t is the datatype used for final transform coefficients.
// tran_high_t is the datatype used for intermediate transform stages.
typedef int32_t tran_high_t;
typedef int16_t tran_low_t;
#endif // CONFIG_VP9_HIGHBITDEPTH
typedef int16_t tran_coef_t;
#define clip_pixel(val) (uint8_t)(((int)(val) > 255) ? 255 : (((int)(val) < 0) ? 0 : (val)))
#define clamp(value, low, high) (int)((int)(value) < (int)(low) ? (low) : ((int)(value) > (int)(high) ? (high) : (value)))
#define fcclamp(value, low, high) (double)((double)(value) < (double)(low) ? (low) : ((double)(value) > (double)(high) ? (high) : (value)))
#define lclamp(value, low, high) (int64_t)((int64_t)(value) < (int64_t)(low) ? (low) : ((int64_t)(value) > (int64_t)(high) ? (high) : (value)))
#define clip_pixel_highbd(val, bd) (uint16_t)((bd) == 12 ? clamp((val), 0, 4095) : ((bd) == 10 ? clamp((val), 0, 1023) : clamp((val), 0, 255)))
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VPX_VPX_DSP_VPX_DSP_COMMON_H_